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Technical Reference Guide
Compaq Deskpro EN Series of Personal Computers
Desktop and Minitower Form Factors
Third Edition–- September1998
vi
8.3 MEMORY DETECTION AND CONFIGURATION.............................................................. 8-3
8.4 DESKTOP MANAGEMENT SUPPORT ............................................................................... 8-4
8.4.1 SYSTEM ID................................................................................................................... 8-6
8.4.2 SYSTEM INFORMATION TABLE ............................................................................... 8-6
8.4.3 EDID RETRIEVE ........................................................................................................ 8-13
8.4.4 DRIVE FAULT PREDICTION..................................................................................... 8-13
8.4.5 SYSTEM MAP RETRIEVAL....................................................................................... 8-14
8.4.6 FLASH ROM FUNCTIONS......................................................................................... 8-15
8.4.7 POWER BUTTON FUNCTIONS................................................................................. 8-15
8.4.8 ACCESSING CMOS.................................................................................................... 8-16
8.4.9 ACCESSING CMOS FEATURE BITS......................................................................... 8-16
8.4.10 SECURITY FUNCTIONS............................................................................................ 8-18
8.5 PNP SUPPORT.................................................................................................................... 8-19
8.5.1 SMBIOS....................................................................................................................... 8-20
8.6 POWER MANAGEMENT FUNCTIONS ............................................................................ 8-21
8.6.1 INDEPENDENT PM SUPPORT .................................................................................. 8-21
8.6.2 ACPI SUPPORT........................................................................................................... 8-21
8.6.3 APM SUPPORT........................................................................................................... 8-22
8.7 USB LEGACY SUPPORT ................................................................................................... 8-24
8.8 BIOS UPGRADING............................................................................................................. 8-24
APPENDIX A ERROR MESSAGES AND CODES...............................................................................
A.1 INTRODUCTION.................................................................................................................A-1
A.2 POWER-ON MESSAGES..................................................................................................... A-1
A.3 BEEP/KEYBOARD LED CODES........................................................................................ A-1
A.4 POWER-ON SELF TEST (POST) MESSAGES.................................................................... A-2
A.5 PROCESSOR ERROR MESSAGES (1
XX
-
XX
) ...................................................................... A-3
A.6 MEMORY ERROR MESSAGES (2
XX
-
XX
)........................................................................... A-4
A.7 KEYBOARD ERROR MESSAGES (30
X
-
XX
) ....................................................................... A-4
A.8 PRINTER ERROR MESSAGES (4
XX
-
XX
) ............................................................................ A-5
A.9 VIDEO (GRAPHICS) ERROR MESSAGES (5
XX
-
XX
).......................................................... A-5
A.10 DISKETTE DRIVE ERROR MESSAGES (6
XX
-
XX
) ......................................................... A-6
A.11 SERIAL INTERFACE ERROR MESSAGES (11
XX
-
XX
) ................................................... A-6
A.12 MODEM COMMUNICATIONS ERROR MESSAGES (12
XX
-
XX
).................................... A-7
A.13 HARD DRIVE ERROR MESSAGES (17
XX
-
XX
) ............................................................... A-8
A.14 HARD DRIVE ERROR MESSAGES (19
XX
-
XX
) ............................................................... A-9
A.15 VIDEO (GRAPHICS) ERROR MESSAGES (24
XX
-
XX
) .................................................... A-9
A.16 AUDIO ERROR MESSAGES (3206-
XX
)......................................................................... A-10
A.17 NETWORK INTERFACE ERROR MESSAGES (60
XX
-
XX
) ........................................... A-10
A.18 SCSI INTERFACE ERROR MESSAGES (65
XX
-
XX
, 66
XX
-
XX
, 67
XX
-
XX
) ....................... A-11
A.19 POINTING DEVICE INTERFACE ERROR MESSAGES (8601-
XX
).............................. A-11
A.20 CEMM PRIVILEDGED OPS ERROR MESSAGES........................................................ A-12
A.21 CEMM EXCEPTION ERROR MESSAGES ................................................................... A-12
APPENDIX B ASCII CHARACTER SET .............................................................................................
B.1 INTRODUCTION..................................................................................................................B-1